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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13ce2a18a47sm8145264c88.8.2026.07.17.16.13.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 16:13:33 -0700 (PDT) From: Anusha Arun Nandi To: linux-media@vger.kernel.org Cc: anusha.nandi@oss.qualcomm.com, bryan.odonoghue@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jigarkumar.zala@oss.qualcomm.com, gjorgji.rosikopulos@oss.qualcomm.com Subject: [PATCH 1/6] media: qcom: camss: Program CSIPHY common control registers Date: Fri, 17 Jul 2026 16:13:26 -0700 Message-Id: <20260717231331.1229693-2-anusha.nandi@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260717231331.1229693-1-anusha.nandi@oss.qualcomm.com> References: <20260717231331.1229693-1-anusha.nandi@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDIzOCBTYWx0ZWRfX4+GbMl2put7g pFC7UnYxoWyNSQEqFXVCotqFeCNbqFU/eyC8yYRTvgPUTc3KMSpbmwmHuQbdHLt6uDZfv9DM5Hf Po5uA0AUGYBqM4dDDcoWgkYOOPxKc2zePgGo+FC/1KoOJmkaTSNRIO7SAqCe//ndUq5D5NrExz/ w7uBJaVX86wlEkfol1waA1VgkXCKyDNw5PGwvvBkn6t/Ewg1ObkIvAbxwSZZ1PaaTMYLjSMFtYr 1wwCw89en06JvAtnd0AHSMgOB1qk31kA/WVxzzmyyiZc/CeIcHWDUaTOgZQXHd+Q93yhI2F1ySC 6DxyFYZpCfjD1eKNiePVlM3tzTkbCI1l1Cgkkkp+CDemeg89NLfMO35k1VwVfkoYL3wOlpdNW+P eJJzBUJKQ650CqYBjQHIo/OICoB7Z6n5awauNrV/Y9zHaWWYJJ9b080NzmUp3Soye9U9OmrJDpe IAOfBo12Rei4ahk+Zdw== X-Proofpoint-GUID: LQPHr1ZIRN6c-2c0WysDEdZMWloePezN X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDIzOCBTYWx0ZWRfX/LFzUrQdiZjc X+Oc4RNothvBZvbeN90OOIg+dOCQ84mqpEUykt3l+itChqtIE7Z/2SBXh0u7h5n2QYyhTZFziuT 9nSZdrRuJW+FWSnJFQVitTY55ASMn9g= X-Proofpoint-ORIG-GUID: LQPHr1ZIRN6c-2c0WysDEdZMWloePezN X-Authority-Analysis: v=2.4 cv=Q63iJY2a c=1 sm=1 tr=0 ts=6a5ab71f cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=tkrKIiBMfSoC4ikKGA4A:9 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_06,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170238 From: Jigarkumar Zala Program the CSIPHY common-control registers during lane enable so SA8775P uses the required 3-phase 1.5 Gsps reset-release values for both C-PHY and D-PHY. Keep the existing reset-release value for the other CAMSS variants. Co-developed-by: Anusha Arun Nandi Signed-off-by: Anusha Arun Nandi Signed-off-by: Jigarkumar Zala --- .../qcom/camss/camss-csiphy-3ph-1-0.c | 36 ++++++++++++++++--- 1 file changed, 31 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c index 25a3554ef201..11b7a236e607 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c @@ -1031,8 +1031,6 @@ static void csiphy_reset(struct csiphy_device *csiphy) writel_relaxed(0x1, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 0)); usleep_range(5000, 8000); - writel_relaxed(0x0, csiphy->base + - CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 0)); } static irqreturn_t csiphy_isr(int irq, void *dev) @@ -1343,9 +1341,37 @@ static void csiphy_lanes_enable(struct csiphy_device *csiphy, writel_relaxed(val, csiphy->base + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 6)); - val = 0x02; - writel_relaxed(val, csiphy->base + - CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 7)); + switch (csiphy->camss->res->version) { + case CAMSS_8300: + case CAMSS_8775P: + if (c->phy_cfg == V4L2_MBUS_CSI2_CPHY) { + val = 0x5A; + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 7)); + val = 0xE; + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 0)); + } else { + val = 0x02; + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 7)); + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 0)); + } + break; + case CAMSS_7280: + case CAMSS_8250: + case CAMSS_8280XP: + case CAMSS_845: + default: + val = 0x02; + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 7)); + val = 0x0; + writel_relaxed(val, csiphy->base + + CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(regs->offset, 0)); + break; + } val = 0x00; writel_relaxed(val, csiphy->base + -- 2.34.1